Conference Paper
Year 2020,
Volume: 1 Issue: 1, 399 - 400, 11.12.2020
Abstract
Evrenin %96'lık büyük kısmı ışıma yapmayan karanlık formdadır. Karanlık maddenin evrenin yoğun alanlarında haleler halinde yoğuştuklarını bilmemiz ve evrendeki bütün malzemeye oranın %23 olması gibi bazı sayısal veriler dışında, içeriği bilinmezliğini korumaktadır. Yakın zamanda yapılan x-ışını analiz çalışmalarında 3.5 keV civarında çok zayıf da olsa bir salınım çizgisi gözlemlendi. Biz de çalışmamızda yerel gruptaki cüce galaksi verileri ile bu bilinmeyen çizginin izlerini sürmekteyiz.
Keywords
References
- Bulbul E. et al. : Detection of an unidentified emission line in the stacked x-ray spectrum of galaxy clusters. Astrophys. J. 789 (2014) 13--23
- B. Pontecorvo : Mesonium and anti-mesonium. Zh. Eksp. Teor. Fiz. 33 (1957) 549--551
- Ahmad Q. R. et al : Direct Evidence for Neutrino Flavor Transformation from Neutral-Current Interactions in the Sudbury Neutrino Observatory. Phys. Rev. Lett. 89 (2002) 011301
- Fukuda M. ve Yanagida T. : Barygenesis without grand unification. Phys. Lett. B 174 (1986) 45--47
- Dodelson S., Widrow L. M. : Sterile neutrinos as dark matter Phys. Rev. Lett. 72 (1994) 17
- Asaka, T., et al. : The ?MSM, dark matter and neutrino masses. Phys. Lett. B 631 (2005) 151--156
- Asaka T. ve Shaposhnikov M: The ?MSM, dark matter and baryon asymmetry of the universe Phys. Lett. B 620 (2005) 17--26
- Kevork N. Abazajian et al. : Limits on the radiative decay of sterile neutrino dark matter from the unresolved cosmic and soft x-ray backgrounds. Phys. Rev. D 75 (2007) 063511
- Boyarsky A. et al. : Restrictions on parameters of sterile neutrino dark matter from observations of galaxy clusters. Phys. Rev. D 74 (2006) 103506
- Tyler C. et al.: Particle dark matter constraints from the Draco dwarf galaxy. Phys. Rev. D 66 (2002) 023509
- Lovell M.R. et al.: Decaying dark matter: the case for a deep X-ray observation of Draco Monthly Notices of the Royal Astronomical Society 451 (2015) 1573-1585
Year 2020,
Volume: 1 Issue: 1, 399 - 400, 11.12.2020
Abstract
References
- Bulbul E. et al. : Detection of an unidentified emission line in the stacked x-ray spectrum of galaxy clusters. Astrophys. J. 789 (2014) 13--23
- B. Pontecorvo : Mesonium and anti-mesonium. Zh. Eksp. Teor. Fiz. 33 (1957) 549--551
- Ahmad Q. R. et al : Direct Evidence for Neutrino Flavor Transformation from Neutral-Current Interactions in the Sudbury Neutrino Observatory. Phys. Rev. Lett. 89 (2002) 011301
- Fukuda M. ve Yanagida T. : Barygenesis without grand unification. Phys. Lett. B 174 (1986) 45--47
- Dodelson S., Widrow L. M. : Sterile neutrinos as dark matter Phys. Rev. Lett. 72 (1994) 17
- Asaka, T., et al. : The ?MSM, dark matter and neutrino masses. Phys. Lett. B 631 (2005) 151--156
- Asaka T. ve Shaposhnikov M: The ?MSM, dark matter and baryon asymmetry of the universe Phys. Lett. B 620 (2005) 17--26
- Kevork N. Abazajian et al. : Limits on the radiative decay of sterile neutrino dark matter from the unresolved cosmic and soft x-ray backgrounds. Phys. Rev. D 75 (2007) 063511
- Boyarsky A. et al. : Restrictions on parameters of sterile neutrino dark matter from observations of galaxy clusters. Phys. Rev. D 74 (2006) 103506
- Tyler C. et al.: Particle dark matter constraints from the Draco dwarf galaxy. Phys. Rev. D 66 (2002) 023509
- Lovell M.R. et al.: Decaying dark matter: the case for a deep X-ray observation of Draco Monthly Notices of the Royal Astronomical Society 451 (2015) 1573-1585
There are 11 citations in total.
Details
| Primary Language | English |
|---|---|
| Subjects | Astronomical Sciences (Other) |
| Journal Section | Conference Paper |
| Authors | |
| Publication Date | December 11, 2020 |
| Submission Date | September 18, 2015 |
| Published in Issue | Year 2020 Volume: 1 Issue: 1 |
TJAA is a publication of Turkish Astronomical Society (TAD).